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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JEFFREY IAN PETERSEN DMD
NPI 1669454211
Dentist - General Practice in Santa Rosa, CA

Active since November 18, 2005
2448 GUERNEVILLE RD, SANTA ROSA, CA 95403(707) 579-2808(707) 579-2877 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Jeffrey Ian Petersen Dmd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JEFFREY IAN PETERSEN DMD (NPI 1669454211) is an individual general practice provider in Santa Rosa, California, licensed in California (36313) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1669454211
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. JEFFREY IAN PETERSENCredential: DMD
Location Address2448 GUERNEVILLE RDSanta Rosa, CA 95403-4175
Mailing Address91 Hop Ranch RdSanta Rosa, CA 95403-7528 · (707) 579-2737
Phone(707) 579-2808
Fax(707) 579-2877
Sole ProprietorNo
Enumeration DateNovember 18, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1669454211 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in CA · 36313
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
2448 GUERNEVILLE RD, Santa Rosa, CA 95403
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Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. EDITA VASILIAUSKAS DDS
Dentist
2448 GUERNEVILLE RD
SANTA ROSA, CA 95403
Sonoma County (707) 579-2808
DR. MICHAEL G CARLSTON M.D.
Family Medicine
2448 GUERNEVILLE RD, SUITE 900
SANTA ROSA, CA 95403
Sonoma County (707) 545-1554
JEFFREY PETER FRANCESCHI MS PT
Physical Therapist
2448 GUERNEVILLE RD, SUITE 300
SANTA ROSA, CA 95403
Sonoma County (707) 573-8202
DR. JOSHUA DREW HAMMER D.M.D.
Dentist (General Practice)
2448 GUERNEVILLE RD, SUITE 700
SANTA ROSA, CA 95403
Sonoma County (707) 526-6160
JAY H CALLENDER L.AC
Acupuncturist
2448 GUERNEVILLE RD, SUITE 400
SANTA ROSA, CA 95403
Sonoma County (707) 542-4800
DR. IAN PETERSEN D.M.D.
Dentist
2448 GUERNEVILLE RD, SUITE 200
SANTA ROSA, CA 95403
Sonoma County (707) 579-2808
FRANCESCHI PHYSICAL THERAPY
Physical Therapist
2448 GUERNEVILLE RD, SUITE 300
SANTA ROSA, CA 95403
Sonoma County (707) 573-8202
DR. MIRABEL HLADKY CAYCO-TANGCO DDS
Dentist
2448 GUERNEVILLE RD, SUITE 1000
SANTA ROSA, CA 95403
Sonoma County (707) 595-3615

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jeffrey Petersen's NPI number?

The NPI number for Jeffrey Petersen is 1669454211. It was assigned to this individual provider in the NPPES registry on November 18, 2005.

Where is Jeffrey Petersen located?

Jeffrey Petersen practices at 2448 Guerneville Rd, Santa Rosa, CA 95403. The listed phone number is (707) 579-2808.

What is Jeffrey Petersen's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for Jeffrey Petersen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.